Answer the question.Which of the following correctly defines a function?
A. A function is a relation for which the range contains only unique values.
B. A function produces exactly one output for each valid input.
C. A function is a set of points that can be graphed on a cartesian graph.
D. A function is a relation that transforms input numbers into output numbers.
Answer: B
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Determine the number of spanning trees in the graph.
A. 9 B. 8 C. 15 D. 14
Solve the problem.How much pure acid should be mixed with 2 gallons of a 50% acid solution in order to get an 80% acid solution?
A. 3 gal B. 5 gal C. 8 gal D. 1 gal
Evaluate the sum.
?
?
A. 9 B. 905 C. 1 D. 100 E. 900
Solve the problem.Zach is planning to invest up to $50,000 in corporate and municipal bonds. The least he will invest in corporate bonds is $7000 and he does not want to invest more than $28,000 in corporate bonds. He also does not want to invest more than $28,265 in municipal bonds. The interest is 8.7% on corporate bonds and 6.7% on municipal bonds. This is simple interest for one year. What is the maximum income?
A. $6962 B. $25,910 C. $3910 D. $31,910